Liquid crystal display device and method of driving the same

Abstract

According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a driver and a control circuit. The control circuit is configured to cause the driver to carry out one of an ordinary driving and an intermittent driving, which is set by switching. The control circuit supplies signals to a plurality of pixel electrodes of each of columns of the pixel electrodes in each of frame periods in the intermittent driving, the supplied signals having polarities inverted in units of at least one row.

1 - 11 . (canceled) 
     
     
         12 . A liquid crystal display device comprising:
 a first substrate comprising a plurality of gate lines, a source line, a plurality of switching elements connected to the plurality of gate lines and the source line, and a plurality of pixel electrodes connected to the plurality of switching elements;   a second substrate;   a liquid crystal layer between the first substrate and the second substrate; and   a driver supplying signals to the plurality of pixel electrodes,   wherein the driver includes a first driving mode and a second driving mode in which an idle period is provided,   during the first driving mode, the driver supplies a first polarity signal to the plurality of switching elements connected to the source line in a first frame, and the driver supplies a second polarity signal to the plurality of switching elements connected to the source line in a second frame, and   during the second driving mode, the driver supplies the first polarity signal to a part of the plurality of switching elements connected to only odd-numbered gate lines of the plurality of gate lines in a third frame, and the driver supplies the second polarity signal to a part of the plurality of switching elements connected to only even-numbered gate lines of the plurality of gate lines in a fourth frame.   
     
     
         13 . The liquid crystal display device according to  claim 12 ,
 wherein the second frame follows the first frame, and the third frame is between the second frame and the fourth frame.   
     
     
         14 . The liquid crystal display device according to  claim 13 ,
 wherein the first polarity signal has positive polarity, and the second polarity signal has negative polarity.   
     
     
         15 . The liquid crystal display device according to  claim 14 ,
 wherein the idle period is provided after the fourth frame.   
     
     
         16 . The liquid crystal display device according to  claim 15 ,
 wherein the first substrate further comprises a common electrode located below the plurality of pixel electrodes and opposite to the plurality of pixel electrodes, and an insulating layer located between the common electrode and the plurality of pixel electrodes, and   each of the plurality of pixel electrodes includes a linear electrode.   
     
     
         17 . The liquid crystal display device according to  claim 16 ,
 wherein the liquid crystal layer is controlled by an electric field generated between the plurality of pixel electrodes and the common electrode.   
     
     
         18 . The liquid crystal display device according to  claim 12 ,
 wherein the first polarity signal has positive polarity, and the second polarity signal has negative polarity.   
     
     
         19 . The liquid crystal display device according to  claim 18 ,
 wherein the idle period is provided after the fourth frame.   
     
     
         20 . The liquid crystal display device according to  claim 19 ,
 wherein the first substrate further comprises a common electrode located below the plurality of pixel electrodes and opposite to the plurality of pixel electrodes, and an insulating layer located between the common electrode and the plurality of pixel electrodes, and   each of the plurality of pixel electrodes includes a linear electrode.   
     
     
         21 . The liquid crystal display device according to  claim 20 ,
 wherein the liquid crystal layer is controlled by an electric field generated between the plurality of pixel electrodes and the common electrode.